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What is the hardness of most silicone products?

2024-01-15
Latest company news about What is the hardness of most silicone products?

Some common silicone products in life are soft, while some are hard. Most people don't know how hard silicone is. In general, the hardness of ordinary silicone is 30°-80°, which is suitable for the production of most silicone products.

 

First of all, silicone products have good toughness and elasticity, and are not easy to be deformed by external forces. It will have a layer of oily material on the surface, so it will feel smooth. Mainly used in construction machinery, automobile, electronic products, home appliances, toys, medical, sports equipment and other industries. It has the functions of shock absorption, sealing, anti-static, high and low temperature resistance, wear resistance, flame retardant, acid and alkali corrosion resistance.

 

Secondly, most silicone products are made of silicone compounds, and the molding process is mainly oil pressure molding. The lower the hardness, not only is not conducive to the material placement of the product, but also because its internal structure is semi-fluid, bubbles will be produced during the high temperature vulcanization process. Therefore, we have high requirements for the selection of silicone materials for these products. At the same time, we must also use better vulcanizing agents, which can be solved by increasing the power of the vacuum machine and improving the mold structure. In short, the hardness of silicone products should meet the requirements of the product. In general, 50°-60° is common.

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